On 4.6 exciting kilometers between Bretaye and Villars, you can experience our earth’s history, which spans about 4.6 billion years.

On the informative theme trail, the most important aspects and events of our planet are explained at nine stations. The explanations in English and French are illustrated by means of iron sculptures. You will find information on the first mammals, photosynthesis, and the origin of man. This theme trail is interesting for young and old alike.